TY  - BOOK
AU  - Harper M W
AU  - W M Harper
TI  -  Statistic
SN  - 9780273634263
AV  - QA276 . H388 1991 
PY  - 1991///
CY  - Cape Town
PB  - Pearson
KW  - Sampling theory
N1  - Include index
ER  -